The Unit Circle

How many degrees is ^π/₆ radians?

• 90°
• 60°
• 45°
• 30°

Tags

CCSS.HSF.TF.A.1

How many degrees is ^π/₄ radians?

• 30°
• 45°
• 60°
• 90°

Tags

CCSS.HSF.TF.A.1

How many degrees is ^π/₂ radians?

• 30°
• 45°
• 60°
• 90°

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

How many degrees is ^π/₃ radians?

• 30°
• 45°
• 60°
• 90°

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.3

CCSS.HSG.C.B.5

What is the radius of a unit circle?

• 1
• 2
• 1/2
• 0

Tags

CCSS.HSF.TF.A.2

What are the coordinates of 60° on the unit circle?

• (0, 1)
• (1/2, √3/2)
• (√3/2, 1/2)
• (√2/2, 1/2)

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

What is the exact coordinates of  3π/4 on the unit circle?

• (−√2∕2, √2∕2)
• (−√2∕2, −√2∕2)
• (−√3∕2, −√2∕2)
• (√2∕2, −√2∕2)

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

5π/3

• 210°
• 240°
• 300°
• 330°

120°

• 2π/3
• 3π/4
• 5π/6
• π

π/2

• 20°
• 45°
• 90°
• 180°